Dermatologic Disorders Flashcards
MACULE
single, FLAT, non palpable area of discoloration
IRREGULARLY shaped
PAPULE
single, uniformly BROWN, slightly raised, irregular shaped with DEFINED borders
mole
PLAQUE
raised, irregular shaped w/ defined borders, FLESH COLORED, located over knees or PSORIASIS LESION
PLAQUE
raised, irregular shaped w/ defined borders, FLESH COLORED, located over knees or PSORIASIS LESION
PICK OFF SCALE AND SEE PIN POINT BLEEDING = Auspitz sign = PSORIASIS
PUSTULE
visible accumulation of purulent fluid under skin
WHEAL
clustered, smooth, slight raise, circumscribed pruritic skin colored lesions
surrounded by area of erythema
URTICARIA
HIVES
PURPURA
flat, non-blanchable, confluent PURPLE COLORED lesion
may follow a round of CHEMOTHERAPY
meningitis or low plts could be answers to why these appear
what is an oval plaque, central wrinkled salmon-colored area with dark red periphery on anterior trunk, belly or back present for 5 days?
HERALD PATCH
no biopsy
self - limiting
pityriasis rosea
Basal cell carcinoma
sun- exposed areas
PEARLY OR WAXY APPEARANCE, distinct borders usually,
low metastatic risk
85% on head and neck
Squamous cell carcinoma
not as common as basal cell carcinoma
SUN EXPOSED AREAS
red conical hard lesion, WITH OR WITHOUT ulceration
angry, red, less distinct areas
greater risk for metastasis
lip/genitalia/ oral cavity = greater metastatic risk = ? HPV cause
MALIGNANT MELANOMA
A - asymmetric
B - irregular borders
C - color ( not uniform, black, brown, red, blue, white)
D- diameter (USUALLY > 6 mm)
E - evolving (new or change in longstanding lesion) , elevated
> 2 features = 100% specificity
biopsy / excision to confirm diagnosis
CELLULITIS
dermis infection
streptococcus pyogenes
staphylococcus aureus - MSSA or MRSA
oral or IV therapy w/ antibx
IV = penicillin, cetriaxone, cefazolin or clindamycin
topical - mupirocin
IMPETIGO
HONEY COLORED EXUDATE - NON BULLOUS - mupirocin can tx often
BULLOUS - often requires systemic antimicrobial
Cephalexin, keflex
staph aureus or strepto
